With the assistance of Wolf Hirth, Martin Schempp founded his own company in Göppingen in 1935: "Sportflugzeugbau Göppingen Martin Schempp". In 1938, Wolf Hirth, mainly responsible for the design work, officially became a partner in the company, which then took on the new name “Sportflugzeugbau Schempp-Hirth” The company relocated to Kirchheim-Teck the same year The company first manufactured a small training glider, the Göppingen Gö 1, intended to rival the Grunau Baby. The company's first real success, however, was the Gö 3 Minimoa, a distinctive aircraft with an elegant gull wing design that was used to break several world records and win championships around the world.
Hirth continued to direct the firm throughout World War II. In 1940 the company began manufacturing assembly parts for Messerschmitt Me 323 and Me 109 and other aircraft] From 1945 the company made furniture and other wooden components for industry until glider production could begin again in 1951.